CN106476908B - Vehicle substructure - Google Patents
Vehicle substructure Download PDFInfo
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- CN106476908B CN106476908B CN201610703259.1A CN201610703259A CN106476908B CN 106476908 B CN106476908 B CN 106476908B CN 201610703259 A CN201610703259 A CN 201610703259A CN 106476908 B CN106476908 B CN 106476908B
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- vehicle
- floor
- subaisle
- floor tunnel
- pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of vehicle substructure includes: floor panel, it has the floor tunnel being arranged along the vehicle longitudinal direction, the middle part in the vehicle width direction of the floor panel is arranged in the floor tunnel, and the floor tunnel includes side wall and is open to vehicle lower side；A pair of of subaisle, the subaisle is arranged in each side on the vehicle-width direction of the floor tunnel, each subaisle longitudinal direction of car direction described in the outer lateral edge on the vehicle-width direction of the floor tunnel extends, and is bonded to the side wall；And stiffener, it is attached to each side of the floor panel, each side of the floor panel clips the middle part on the vehicle-width direction of the floor tunnel.
Description
Technical field
The present invention relates to a kind of vehicle substructures.
Background technique
As it is a kind of include the floor tunnel formed and arching upward floor panel towards vehicle upper side vehicle substructure,
Japanese patent application discloses No. 2007-269052 (JP 2007-269052 A) and discloses a kind of seat stiffener (pair is logical
Road) it is arranged to the structure extended in a vehicle longitudinal direction along floor tunnel.The seat stiffener is arranged in ground
Two sides on the vehicle-width direction of board channel and the side wall for being bonded to floor tunnel, thus reinforce floor tunnel.
Summary of the invention
However, the technology disclosed in JP 2007-269052 A does not consider in the collision of the offset collisions of such as vehicle
Inhibit the deformation of floor tunnel.That is, impact load exists relative to floor tunnel in the collision of the offset collisions of such as vehicle
On vehicle-width direction side input, while inertia force along driving direction relative to floor tunnel in vehicle-width direction
The other side apply.Therefore, floor tunnel in being sandwiched in therebetween by stress in the opposite direction in the vehicle width direction
Each side.In order to inhibit the deformation of floor tunnel in this case, there are still improved spaces.
The present invention provides a kind of vehicle substructures, can inhibit ground in the collision of the offset collisions of such as vehicle
The deformation of board channel.
The vehicle substructure of first scheme according to the present invention includes: floor panel, is had along the vehicle longitudinal direction
The middle part in the vehicle width direction of the floor panel is arranged in the floor tunnel of setting, the floor tunnel, and described
Floor tunnel includes side wall and is open to vehicle lower side；A pair of of subaisle, the subaisle are arranged in the floor tunnel
Each side on the vehicle-width direction, each subaisle is on the vehicle-width direction of the floor tunnel
Longitudinal direction of car direction described in outer lateral edge extends, and is bonded to the side wall；And stiffener, it is attached to the floor
Each side of each side of plate, the floor panel clips the middle part on the vehicle-width direction of the floor tunnel.
In first scheme, the stiffener can be arranged in the inside of the floor tunnel, and by the side wall
The first part of inner surface couple with the second part of the inner surface of the side wall.The first part and described second
Part can the inside towards the floor tunnel and opposite to each other.
In first scheme, the stiffener can be arranged at following position: at the position, the reinforcement structure
At least part of part is Chong Die with the subaisle in vehicle side surface view.
In the vehicle substructure according to first scheme, the pair of subaisle is arranged in the wide in vehicle of floor tunnel
Spend each side on direction.In addition, outside of each subaisle on the vehicle-width direction of the side wall of floor tunnel is along vehicle
Longitudinal direction extends, and is bonded to the side wall of floor tunnel.By the way that this subaisle is arranged, enhance floor tunnel rigidity and
Intensity.
In addition, stiffener is arranged in the inside of floor tunnel, and the inner surface relative to each other of the side wall of floor tunnel
It is coupled to each other via stiffener.Herein, stiffener can be arranged at the following location: at the position, the reinforcement
At least part of component is Chong Die with the subaisle in vehicle side surface view.Using such construction, it is logical that floor can be enhanced
The stiffness and strength in road, so that even if the stress of opposite direction is in vehicle in the collision of the offset collisions of such as vehicle
Each side that floor tunnel is clipped in width direction still is able to inhibit the deformation of floor tunnel.Incidentally, signified herein
" offset collisions " can be small overlapping collision, oblique collision etc..
In first scheme, the stiffener can be arranged in the front end of the pair of subaisle via the side wall
At the position that the rear end of the pair of subaisle is coupled to each other at the position that portion is coupled to each other and via the side wall.
In the vehicle substructure according to above scheme, stiffener is arranged in the front end corresponding to subaisle
With the position of rear end, at this location, the load for being applied to floor tunnel from the subaisle of collision side becomes maximum.With this
Mode is arranged in other positions compared to stiffener by the way that stiffener is arranged in the position that floor tunnel is easiest to deformation
The construction set can inhibit the deformation of floor tunnel.In addition, impact load etc. can be effectively transmitted to anticollision from collision side
Side.
In first scheme, axis can the longitudinal direction of car direction described in the interior lateral edge of the floor tunnel extend, and institute
Stating stiffener can have the support portion that the axis is supported from the vehicle lower side.
In the vehicle substructure according to above scheme, can be used be arranged to enhancing floor tunnel rigidity and
The stiffener of intensity supports the axis.Utilize the construction, it is not necessary to individually prepare the special-purpose member for being used to support the axis, or
Person can reduce the number for being used to support the special-purpose member of the axis.
In first scheme, the stiffener can have in vehicle side surface view extend along vehicle vertical direction it is vertical
Wall portion, the upright wall part can have through-hole, and axis can be inserted through the through-hole on the longitudinal direction of car direction.
In first scheme, the stiffener may include: a pair of of upright wall part, and the pair of upright wall part is arranged as
There are interval, and each upright wall part edge in vehicle side surface view between the upright wall part on the longitudinal direction of car direction
Vehicle vertical direction extends；And bottom wall part, it is connected between the lower end of the upright wall part.Enclosure space can be by institute
Upright wall part, the bottom wall part and the floor tunnel is stated to be formed.
In the vehicle substructure according to above scheme, enclosure space is formed by stiffener and floor tunnel.It utilizes
The construction, the shape compared to the construction for the stiffener for for example having used writing board shape or between stiffener and floor tunnel
At the construction of open space, the stiffness and strength of floor tunnel can be enhanced.
In first scheme, the side wall may include the first side wall facing with each other on the vehicle-width direction and
Second sidewall, and the floor tunnel may include the vehicle upper end for being connected to the first side wall and the second sidewall
Vehicle upper end between upper wall.
First scheme may include: a pair of of threshold vehicle, the pair of threshold vehicle be arranged in the floor panel described
The outside respectively held on vehicle-width direction, the threshold vehicle extend along the longitudinal direction of car direction；A pair of of pair threshold vehicle, institute
State one inside on the vehicle-width direction that one in secondary threshold vehicle is arranged in the threshold vehicle and company
It is connected to one in the threshold vehicle, and another in the secondary threshold vehicle is arranged in the pair of threshold vehicle
Another in the inside on the vehicle-width direction and described in being connected in the threshold vehicle another；And it is a pair of
Floor cross, the pair of floor cross are arranged along the vehicle-width direction, and in the floor cross
An one and described subaisle being connected in the secondary threshold vehicle in one, and the floor cross
In another be connected to another in another and the subaisle in the secondary threshold vehicle, and the floor
Cross member clips the floor tunnel on the vehicle-width direction.
In first scheme, seat guide rail can be attached to each subaisle.
Alternative plan of the invention includes: floor panel, and with floor tunnel, the floor tunnel is opened to vehicle lower side
Mouthful；The outside of the floor tunnel is arranged in a pair of of subaisle, the pair of subaisle, and the subaisle is logical with the floor
The floor tunnel is clipped on the vertical direction of the extending direction in road, and the subaisle is connected to the floor tunnel；With
And stiffener, by the floor panel on the direction vertical with the extending direction of the floor tunnel
The connection of each side, each side of the floor panel clip the floor tunnel in the extension side with the floor tunnel
Middle part on the vertical direction.
Detailed description of the invention
Below with reference to accompanying drawings come describe exemplary embodiment of the present invention feature, advantage and technology and industry meaning
Justice, wherein identical label indicates identical element, and wherein:
Fig. 1 is the schematic perspective view that vehicle substructure according to first embodiment is watched from vehicle upper side；
Fig. 2 is the plan view for showing vehicle substructure according to first embodiment；
Fig. 3 is the amplification sectional view for showing the state of the line 3-3 interception along Fig. 2 in an enlarged scale；
Fig. 4 is the amplification stereogram for showing channel cross member according to first embodiment in an enlarged scale；
Fig. 5 is the side cross-sectional view for showing the improvement of vehicle substructure according to first embodiment, wherein floor tunnel
It is watched from vehicle-width direction；
Fig. 6 is to show putting for the channel cross member to form vehicle substructure according to the second embodiment in an enlarged scale
Big perspective view；And
Fig. 7 is the amplification sectional view for showing the state of the line 7-7 interception along Fig. 6 in an enlarged scale.
Specific embodiment
<first embodiment>
The vehicle substructure of first embodiment according to the present invention is described below in reference to Fig. 1 to Fig. 4.In attached drawing just
Arrow " preceding " (FR), arrow "upper" (UP) and arrow "outside" (OUT) shown in locality respectively indicate vehicle front side, vehicle upper side and
Outside on vehicle-width direction (hereinafter, also referred to as on the outside of vehicle-width direction).In the following description, when not appointing
Used in the case that is specifically mentioned front or rear direction, on or below to or when left or right direction, indicate longitudinal direction of car
Up or down front or rear, on vehicle vertical direction on direction or left or right when towards driving direction.
The total structure of vehicle substructure will be described.As shown in Figure 1 to Figure 3, the floor of the floor section in compartment is formed
Plate 12 is arranged in the lower vehicle 10 of the vehicle substructure for applying the present embodiment of vehicle.Floor panel 12 forms vehicle
Bottom surface and be made of the board member of the general rectangular in car plane figure.By making floor panel 12 arch upward towards vehicle upper side
And the middle part on the vehicle-width direction of floor panel 12 is arranged in the floor tunnel 14 formed.In addition, in floor panel 12
End 12A on outside on vehicle-width direction is bonded to the threshold vehicle 16 that will be described later.Although in Fig. 1 and Fig. 3
Shown in the part of vehicle left side is not shown in lower vehicle 10, but vehicle left side and vehicle right side are formed as substantially right each other
Claim, it is in this way that floor tunnel 14 is sandwiched therebetween.
Floor tunnel 14 extends along the vehicle longitudinal direction, and its plane of structure that cuts vertically intercepted in the vehicle width direction has
It is open to vehicle lower side generally U-shaped.Floor tunnel 14 includes the left side wall 14A in vehicle left side, the right side on vehicle right side
The wall 14B and upper wall 14C connected between left side wall 14A and the upper end of right side wall 14B.In addition, as shown in Fig. 2, floor
The front end in channel 14 is formed as wider than its general portion and is bonded to instrument board 18.The rear end of floor tunnel 14 extends to floor
The rear end of panel 12 is simultaneously bonded to the rear cross member (not shown) extended in the vehicle width direction.
Pair of right and left threshold vehicle 16 is arranged in the outside on the vehicle-width direction of floor panel 12.Hereinafter,
The threshold vehicle 16 of vehicle right side is described referring to Figure 1 and Figure 3.The threshold vehicle 16 of vehicle left side also construction having the same.
Threshold vehicle 16 extends in a vehicle longitudinal direction.Threshold vehicle 16 includes the vehicle-width direction for being arranged in threshold vehicle 16
Threshold vehicle inner panel 20 at part on inside and the vehicle at the part on the vehicle-width direction outside for being arranged in threshold vehicle 16
Closed cross-section structure is consequently formed in threshold outside plate 22.
The cross section of threshold vehicle inner panel 20 vertically intercepted in the vehicle width direction has on vehicle-width direction
The substantially hat of outer openings.Threshold vehicle inner panel 20 has on the inside extended from the top of threshold vehicle inner panel 20 towards vehicle upper side
Flange part 20A.Threshold vehicle inner panel 20 has the inside lower flange portion extended from the lower part of threshold vehicle inner panel 20 towards vehicle lower side
20B。
Threshold vehicle outside plate 22 is arranged in the vehicle width direction towards threshold vehicle inner panel 20, and it is in the vehicle width direction
The cross section vertically intercepted has the hat of the inside opening on vehicle-width direction.Threshold vehicle outside plate 22 has from car door
The outside upper flange part 22A that the top of sill outside plate 22 extends towards vehicle upper side.Threshold vehicle outside plate 22 has from threshold vehicle outside plate 22
The outside lower flange portion 22B that extends towards vehicle lower side of lower part.Threshold vehicle reinforcer etc. can be arranged in the closing of threshold vehicle 16
In cross section.
As shown in Fig. 2, secondary threshold vehicle 26 is arranged on the inside of the vehicle-width direction of each threshold vehicle 16.Secondary threshold vehicle 26 will
Floor tunnel 14 is arranged in left and right sandwiched therebetweenly, and respectively prolongs in a vehicle longitudinal direction along corresponding threshold vehicle 16
It stretches.Hereinafter, the secondary threshold vehicle 26 on vehicle right side is described referring to Figure 1 and Figure 3.Secondary threshold vehicle 26 in vehicle left side
Also construction having the same.
As shown in Figure 1, secondary threshold vehicle 26 is formed as the substantially square extended in a vehicle longitudinal direction in car plane figure
Shape.As shown in figure 3, secondary threshold vehicle 26 includes the upper wall portions extended from the top of threshold vehicle inner panel 20 towards vehicle-width direction inside
The 26A and upright wall part 26B extended from the end on the vehicle-width direction inside of upper wall portions 26A towards vehicle lower side.In addition,
Upper flange part 26C extends from the end on the vehicle-width direction outside of upper wall portions 26A along the top of threshold vehicle inner panel 20, and connects
It is bonded to threshold vehicle inner panel 20.Bracket (not shown) is respectively attached to the both ends on the longitudinal direction of car direction of upper wall portions 26A, and uses
Upper wall portions 26A is attached to via the bracket in the seat guide rail of support vehicle seat.Alternatively, seat guide rail can be without
Upper wall portions 26A is attached directly to by the bracket.
The front end of secondary threshold vehicle 26 is arranged in sidewall portion 26E.Sidewall portion 26E is parallel to longitudinal direction of car with its thickness direction
It is connected to direction upper wall portions 26A and upright wall part 26B, and is formed as generally rectangular in vehicle front view.
Lower flange portion 26D extends from the lower end of upright wall part 26B and sidewall portion 26E along floor panel 12.Lower flange portion
26D is bonded to the upper surface of floor panel 12.Therefore, closed cross-section is by secondary threshold vehicle 26, floor panel 12 and threshold vehicle
Plate 20 forms (referring to Fig. 3).
Side flange portion 26F on the outside of the vehicle-width direction of sidewall portion 26E on end along threshold vehicle inner panel 20 towards vehicle
Extend on front side of, and is bonded to threshold vehicle inner panel 20.It should be noted that the sidewall portion 26E with the front end that sidewall portion 26E is arranged in
Identical sidewall portion 26E is arranged at the rear end of secondary threshold vehicle 26 (referring to fig. 2).
As shown in Fig. 2, floor cross 24 is arranged in the inside on the vehicle-width direction of each secondary threshold vehicle 26.Ground
Floor tunnel 14 is arranged in left and right by plate cross member 24 sandwiched therebetweenly, and is respectively extended in the vehicle width direction.
Hereinafter, the floor cross 24 of vehicle right side is described referring to Fig.1.Floor cross 24 in vehicle left side
With same structure.
As shown in Figure 1, the cross section of floor cross 24 vertically intercepted along the vehicle longitudinal direction has to vehicle
The substantially hat of lower opening, and the end in the outside on the vehicle-width direction of floor cross 24 is bonded to secondary threshold vehicle
Middle part on 26 longitudinal direction of car direction.
Lower flange portion 24A extends towards vehicle front side and vehicle rear-side respectively from the lower end of floor cross 24, and connects
It is bonded to the upper surface of floor panel 12.Under end and secondary threshold vehicle 26 on the outside of the vehicle-width direction of lower flange portion 24A
The upper surface of flange part 26D is overlapped, and the upper surface of floor panel 12 is bonded to via lower flange portion 26D.On the other hand, convex under
The upper table of the lower flange portion 28D of end and subaisle 28 (being described later) on the inside of the vehicle-width direction of edge 24A
Face overlapping, and it is (lateral referring to the floor of vehicle left side in Fig. 1 via the upper surface that lower flange portion 28D is bonded to floor panel 12
Component 24).
In addition, upper flange part 24B and side flange portion 24C is from the end on the outside of the vehicle-width direction of floor cross 24
Extend respectively along the upper wall portions 26A and upright wall part 26B of secondary threshold vehicle 26.The upper wall portions of upper flange part 24B and secondary threshold vehicle 26
26A is overlapped and is bonded to upper wall portions 26A.Side flange portion 24C is Chong Die with the pair upright wall part 26B of threshold vehicle 26 and is bonded to vertically
Wall portion 26B.
As shown in Fig. 2, the end on the inside of the vehicle-width direction of floor cross 24 connects via subaisle 28 respectively
It is bonded to floor tunnel 14.Herein, on subaisle 28 is arranged on the outside of the vehicle-width direction of floor tunnel 14, and each leisure
Longitudinal direction of car side upwardly extends.Subaisle 28 is each formed as extending in a vehicle longitudinal direction substantially in car plane figure
Rectangle.Hereinafter, the subaisle 28 in vehicle left side is described referring to Fig.1.Subaisle 28 on vehicle right side also has
Same structure.
As shown in Figure 1, the subaisle 28 in vehicle left side is bonded to the left side wall 14A of floor tunnel 14.Subaisle 28 wraps
Include the upper wall portions 28A extended from the upper wall portions of left side wall 14A towards the outside on vehicle-width direction and from the vehicle of upper wall portions 28A
The upright wall part 28B that end on the outside of width direction extends towards vehicle lower side.In addition, upper flange part 28C is from upper wall portions 28A
Vehicle-width direction on the end of inside extend along left side wall 14A towards vehicle upper side and be bonded to left side wall 14A.Bracket
(not shown) is respectively attached to the both ends on the longitudinal direction of car direction of upper wall portions 28A, and is used to support the seat of vehicle seat
Seat rail is attached to upper wall portions 28A via bracket.Alternatively, seat guide rail can not be attached directly to upper wall via bracket
Portion 28A.
The front end of subaisle 28 is arranged in sidewall portion 28E.Sidewall portion 28E is parallel to longitudinal direction of car side with its thickness direction
It is connected to upper wall portions 28A and upright wall part 28B to ground, and is formed as a generally rectangular in vehicle front view.
Lower flange portion 28D extends from the lower end of upright wall part 28B and sidewall portion 28E along floor panel 12, and is bonded to
The upper surface of floor panel 12.Therefore, closed cross-section is formed by subaisle 28, floor panel 12 and left side wall 14A (referring to figure
3)。
Side flange portion 28F on the inside of the vehicle-width direction of sidewall portion 28E on end along left side wall 14A towards before vehicle
Side extends, and is bonded to left side wall 14A.As shown in Fig. 2, identical as the sidewall portion 28E of front end that subaisle 28 is arranged in
The identical sidewall portion 28E of sidewall portion 28E be arranged at the rear end of subaisle 28.Subaisle 28 on vehicle right side is bonded to
The right side wall 14B of floor tunnel 14.
Herein, as depicted in figs. 1 and 2, it is arranged in floor tunnel 14 as the channel cross member 30 of stiffener.?
Hereinafter, the details of channel cross member 30 will be described.
As shown in Fig. 2, channel cross member 30 be respectively arranged in left and right arrangement subaisle 28 front end between with
And between the rear end of the subaisle 28 of left and right arrangement.That is, channel cross member 30 is arranged in via floor tunnel 14
Left side wall 14A and right side wall 14B by the position that the front end of subaisle 28 is coupled to each other and be arranged in via left side wall 14A and
The position that the rear end of subaisle 28 is coupled to each other by right side wall 14B.Therefore, channel cross member 30 is respectively arranged in bottom
Set: at this location, at least part of channel cross member 30 is Chong Die with subaisle 28 (in this implementation in vehicle side surface view
In example, each channel cross member 30 is arranged in its entirety position Chong Die with subaisle 28 in vehicle side surface view).
As shown in figure 4, channel cross member 30 includes a pair of of upright wall part 32 and bottom wall part 34, the pair of upright wall part
It is arranged as having interval therebetween in a vehicle longitudinal direction, the bottom wall part is connected between the lower end of upright wall part 32.
Upright wall part 32 respectively extends along vehicle vertical direction in vehicle side surface view, and it is vertical that thickness direction is parallel to vehicle
To direction.Each upright wall part 32 is formed as substantially trapezoidal to correspond to floor tunnel 14 in vehicle front view.
Herein, left flange part 32A is from the end in the vehicle left side of each upright wall part 32 along the left side of floor tunnel 14
Wall 14A extends.Left flange part 32A is upwardly extended in side away from one another.That is, the left flange on the vehicle front side of upright wall part 32
Portion 32A extends towards vehicle front side, and the left flange part 32A in the vehicle rear-side of upright wall part 32 extends towards vehicle rear-side.It is left convex
Edge 32A is bonded to left side wall 14A.
On the other hand, right flange part 32B is from the end on the vehicle right side of each upright wall part 32 along floor tunnel 14
Right side wall 14B extends.Right flange part 32B extends each along direction identical with corresponding left flange part 32A, and is bonded to the right side
Side wall 14B.
Upper wall 14C of the upper flange part 32C from the top of each upright wall part 32 along floor tunnel 14 extends.Upper flange part
32C respectively extends in the vehicle width direction to be connected between left flange part 32A and right flange part 32B, and is bonded to floor
The upper wall 14C in channel 14.
Bottom wall part 34 is formed as the general rectangular extended in the vehicle width direction, thickness direction in car plane figure
It is parallel to vehicle vertical direction.Bottom wall part 34 is formed as longer than upright wall part 32 in the vehicle width direction, and bottom wall part 34
Both ends on vehicle-width direction are each formed as prolonging than what upright wall part 32 extended more outward in the vehicle width direction
Extending portion 34A.Extension 34A is Chong Die with the lower surface of floor panel 12 and is bonded to floor panel 12.
Since channel cross member 30 constructs as described above, channel cross member 30 erects along the vehicle longitudinal direction
The cross section directly intercepted has the substantially hat being open to vehicle upper side.Due to the left flange part of the pair of upright wall part 32
32A, right flange part 32B and upper flange part 32C are respectively engaged to the inner surface of floor tunnel 14, and closed cross-section 36 is by channel cross
To component 30 and the formation of floor tunnel 14.
Next, by the effect for the vehicle substructure for describing the present embodiment.
In the present embodiment, a pair of of subaisle 28 is arranged in the two sides in the vehicle width direction of floor tunnel 14
On, and channel cross member 30 is arranged in floor tunnel 14.Channel cross member 30 is respectively arranged in following position: in the position
Place is set, at least part of channel cross member 30 is Chong Die with subaisle 28 in vehicle side surface view.It is a pair of secondary using the construction
Channel 28 is coupled to each other in the vehicle width direction via the channel cross member 30, so as to enhance floor tunnel 14
Stiffness and strength.Therefore, in the collision of the offset collisions of such as vehicle, it is able to suppress the deformation of floor tunnel 14.That is, all
As the offset collisions of vehicle collision when, impact load relative to floor tunnel 14 in the vehicle width direction side input,
And inertia force applies relative to the other side of floor tunnel 14 in the vehicle width direction along driving direction.Therefore, Xiang Fanfang
Upward stress is in being sandwiched in each side therebetween for floor tunnel 14 in vehicle-width direction.Even in this case, by
In enhancing the stiffness and strength of floor tunnel 14 by subaisle 28 as described above and channel cross member 30, it still is able to
Inhibit the deformation of floor tunnel 14.
In the present embodiment, channel cross member 30 is arranged in front end and rear end corresponding to subaisle 28
Position is applied to the maximum of the load on floor tunnel 14 from subaisle 28 at this location.In this way, compared to channel
Cross member 30 is arranged in the construction of other positions, is easiest to deform by the way that channel cross member 30 is arranged in floor tunnel 14
Position, the deformation of floor tunnel 14 can be inhibited.Specifically, as shown in Fig. 2, due to the general rectangular in car plane figure
Reinforcement structure is formed by a pair of of subaisle 28 and a pair of channels cross member 30, and the rigidity of floor tunnel 14 and strong can be enhanced
Degree.In addition, impact load etc. can be efficiently transferred to anticollision side from collision side.
In the present embodiment, as shown in figure 4, enclosure space 36 is formed by channel cross member 30 and floor tunnel 14.Benefit
With this construction, compared to writing board shape stiffener be arranged in floor tunnel 14 inside construction or open cross-sectional
The construction that face is formed by channel cross member 30 and floor tunnel 14, can enhance the stiffness and strength of floor tunnel 14.
In the present embodiment, due to being configured to be used to support the subaisle 28 of vehicle seat (not shown) via the channel
Cross member 30 is coupled to each other thus to enhance the stiffness and strength of floor tunnel 14, it is not necessary to be separately provided such as channel reinforcement
The stiffener of part.
In the present embodiment, each threshold vehicle 16 and floor tunnel 14 are via secondary threshold vehicle 26,24 and of floor cross
Subaisle 28 is coupled to each other in the vehicle width direction, and a pair of secondary threshold vehicle 26 via the channel cross member 30 in vehicle
Width direction is coupled to each other.Using this construction, for example, being inputted in the collision of the side collision of such as vehicle in collision side
Load to threshold vehicle 16 can be passed via secondary threshold vehicle 26, floor cross 24, subaisle 28 and channel cross member 30
It is handed to anticollision side.
The improvement of first embodiment will be described.In the first embodiment, entire channel cross member 30 is configured in vehicle
It is Chong Die with subaisle 28 in side view.However, the present embodiment is without being limited thereto.Utilize at least part of channel cross member 30
The construction Chong Die with subaisle 28 in vehicle side surface view, can obtain identical effect.In this regard, Fig. 5 institute can be used
The vehicle substructure shown.Alternatively, though channel cross member 30 be arranged in vehicle side surface view not with subaisle 28
The position of overlapping, channel cross member 30 still can function as a kind of auxiliary member to help floor tunnel 14 by load from collision side
It is transferred to anticollision side.
As shown in figure 5, in the lower vehicle 40 of vehicle for using the vehicle substructure according to present modification, vehicle
The construction that channel cross member 30 on front side is arranged to than Fig. 1 more leans on vehicle front side.The vehicle rear-side of channel cross member 30
On upright wall part 32 left flange part 32A be arranged in it is Chong Die with the side flange portion 28F of subaisle 28 in vehicle side surface view
Position.That is, side flange portion 28F and left flange part 32A is coupled to each other via the floor tunnel 14 to fall between.Although not showing
Out, the right flange part 32B of the upright wall part 32 and side flange portion 28F on the vehicle right side of subaisle 28 is via falling between
Floor tunnel 14 couple.
On the other hand, the channel cross member 30 in vehicle rear-side is arranged to more the leaning on vehicle rear-side cloth of the construction than Fig. 1
It sets.The left flange part 32A of upright wall part 32 on the vehicle front side of channel cross member 30 be arranged in vehicle side surface view with
The position of the side flange portion 28F overlapping of subaisle 28.That is, side flange portion 28F and left flange part 32A are via falling between
Floor tunnel 14 is coupled to each other.Although being not shown, the right flange part 32B of upright wall part 32 is via the floor to fall between
Channel 14 couples with the side flange portion 28F on the vehicle right side of subaisle 28.
Equally, in above-mentioned improvement, a pair of of subaisle 28 is via the channel cross member 30 in vehicle width side
It is coupled to each other upwards, allows to enhance the stiffness and strength of floor tunnel 14.Therefore, touching in the offset collisions of such as vehicle
When hitting, the deformation of floor tunnel 14 can be inhibited.
<second embodiment>
Next, describing the vehicle substructure of second embodiment according to the present invention by referring to figure 6 and figure 7.At this
In embodiment, vehicle substructure is applied to transmission shaft 58 and is arranged in the construction in floor tunnel 14.Identical symbol is endowed
Construction similar with the construction in first embodiment, therefore the description carried out to it is adaptably omitted.
As shown in fig. 6, it is logical that the transmission shaft 58 as axis is arranged in floor in the vehicle substructure according to the present embodiment
In road 14.Therefore, it is each formed as avoiding transmission shaft 58 as the channel cross member 50 of the stiffener in the present embodiment
Shape.Hereinafter, the details of channel cross member 50 will be described.
Channel cross member 50 includes: a pair of of upright wall part 52, and the pair of upright wall part is arranged in longitudinal direction of car direction
On have interval therebetween；Bottom wall part 54, the bottom wall part are connected between the lower end of upright wall part 52；And supporting support
56, the supporting support is as support portion.Each leisure vehicle vertical side in vehicle side surface view of upright wall part 52 upwardly extends,
Thickness direction is parallel to longitudinal direction of car direction.Each upright wall part 52 is formed as substantially trapezoidal to correspond in vehicle front view
In floor tunnel 14.Left flange part 52A, right flange part 52B and upper flange part 52C are from the peripheral end edge of each upright wall part 52
Floor tunnel 14 extends.
Left flange part 52A is upwardly extended from the end in the vehicle left side of upright wall part 52 in side away from one another, and is connect
It is bonded to the left side wall 14A of floor tunnel 14.Right flange part 52B is from the end on the vehicle right side of upright wall part 52 away from one another
Side upwardly extend, and be bonded to the right side wall 14B of floor tunnel 14.Upper flange part 52C respectively prolongs in the vehicle width direction
It stretches to be connected between left flange part 52A and right flange part 52B, and is bonded to the upper wall 14C of floor tunnel 14.
Herein, the vehicle width side of the lower end of each upright wall part 52 is formed in towards the recess portion 52D that vehicle upper side is recessed
Upward middle part.As shown in fig. 7, recess portion 52D is formed as semicircle in vehicle front view so as not to contact with transmission shaft 58.
Bottom wall part 54 has the thickness direction parallel with vehicle vertical direction.Bottom wall part 54 is formed as in car plane figure
The general rectangular extended in the vehicle width direction.Bottom wall part 54 is formed as longer than upright wall part 52 in the vehicle width direction,
And the both ends on the vehicle-width direction of bottom wall part 54 are each formed as than upright wall part 52 more on vehicle-width direction
The extension 54A that outside extends.Extension 54A is Chong Die with the lower surface of floor panel 12 and is bonded to floor panel 12.The bottom of at
Middle part on the vehicle-width direction of wall portion 54, towards vehicle upper side arch upward on the portion 54B that arches upward be formed to correspond to upright wall part
52 recess portion 52D.
Herein, supporting support 56 is attached to bottom wall part 54 to support the support portion of transmission shaft 58 by supporting from vehicle lower side
The formation of bracket 56.Supporting support 56 is formed as the general rectangular extended in the vehicle width direction in car plane figure, thick
Degree is oriented parallel to vehicle vertical direction.The lower surface at supporting support 56 both ends in the vehicle width direction and bottom wall part 54
Overlapping, and bottom wall part 54 is fastened to by the fastener (not shown) of such as screw bolt and nut.
It arches upward during portion 56A is formed on the vehicle-width direction of supporting support 56 in addition, arching upward down towards vehicle lower side
Portion.Therefore, the cylindrical portion of general hollow arched upward by down portion 56A and bottom wall part 54 on the portion 54B that arches upward formed.Transmission shaft 58 via
Bearing (not shown), which is supported on down, to arch upward on portion 56A.Channel cross member 50 constructs to close as shown in Figure 6 as described above
Region 60 is formed by channel cross member 50 and floor tunnel 14.
Next, by the effect for the vehicle substructure for describing the present embodiment.
In the present embodiment, transmission shaft 58, channel are supported by being arranged supporting support 56 to channel cross member 50
Cross member 50 is arranged to the stiffness and strength of enhancing floor tunnel 14.Using this construction, can eliminate to independent standard
The needs of the standby special-purpose member for being used to support transmission shaft 58, and the number for being used to support the special-purpose member of transmission shaft 58 can be reduced
Mesh.Other effects and effect and the effect of first embodiment and effect it is identical.
In the present embodiment, it is used for by the way that supporting support 56 to be fastened on to the bottom wall part 54 of channel cross member 50 to be formed
The support portion of transmission shaft 58.However, the present embodiment is without being limited thereto.For example, can be configured to: through-hole is formed in channel cross member
In 50 upright wall part 52, and transmission shaft 58 is inserted through the through-hole.In this case, the through-hole is used as transmission shaft 58
Support portion.
Although the vehicle substructure of first and second embodiments according to the present invention has been described, certainly, the present invention can
To be implemented in the range of without departing from its spirit with various schemes.For example, in the above-described embodiments, it includes a pair of perpendicular for having used
Straight wall portion and the cross section of bottom wall part are the channel cross member of substantially hat.However, the invention is not limited thereto.Channel transverse direction structure
Part can be formed as another shape, and for example can have writing board shape.
In the above-described embodiments, the peripheral end of component extends laterally from the channels left flange part, right flange part and convex
Edge is respectively engaged to the left side wall 14A, right side wall 14B and upper wall 14C of floor tunnel 14.However, the invention is not limited thereto.Example
Such as, can be configured to: the channel cross member shorter than the height of floor tunnel 14 is arranged so that on vehicle vertical direction
Gap is formed between channel cross member and the upper wall 14C of floor tunnel 14.Even in this case, as long as channel transverse direction structure
Part is bonded to the left side wall 14A and right side wall 14B of floor tunnel 14, then the stiffness and strength of floor tunnel 14 can be enhanced.
In the above-described embodiments, the front end of subaisle 28 is coupled to each other via the channel cross member, and subaisle
28 rear end is coupled to each other via the channel cross member.However, the position and channel of arrangement channel cross member are lateral
The number of component is not particularly limited.For example, can be configured to: the middle part on the longitudinal direction of car direction of subaisle 28 is via single logical
Road cross member is coupled to each other.Even in this case, it compared to the construction for being not provided with channel cross member, still can be enhanced
The stiffness and strength of floor tunnel 14.Alternatively, in addition to the front end of subaisle 28 is coupled to each other and by subaisle 28
The channel cross member that is coupled to each other of rear end except, third channel cross member can also be set.Furthermore, it is possible to construct
At: setting four is with upper channel cross member.
In the above-described embodiments, during floor tunnel and subaisle are arranged on the vehicle-width direction of floor panel 12
Portion extends along longitudinal direction of car direction.However, the invention is not limited thereto.For example, floor tunnel and subaisle can be wide along vehicle
Spend direction setting.
Claims (10)
1. a kind of vehicle substructure, characterized by comprising:
Floor panel, has the floor tunnel being arranged along the vehicle longitudinal direction, and the floor tunnel is arranged in the floor
The middle part in the vehicle width direction of plate, and the floor tunnel includes side wall and is open to vehicle lower side；
A pair of of subaisle, the subaisle are arranged in each side on the vehicle-width direction of the floor tunnel, each
Subaisle longitudinal direction of car direction described in the outer lateral edge on the vehicle-width direction of the floor tunnel extends, and
And it is bonded to the side wall；And
Stiffener is attached to each side of the floor panel, and it is logical that each side of the floor panel clips the floor
The middle part on the vehicle-width direction in road,
Wherein, the stiffener is arranged in the position that the front end of the pair of subaisle is coupled to each other via the side wall
At place and the position rear end of the pair of subaisle being coupled to each other via the side wall.
2. vehicle substructure according to claim 1, it is characterised in that
The stiffener is arranged in the inside of the floor tunnel, and by the first part of the inner surface of the side wall and institute
The second part connection of the inner surface of side wall is stated, the first part and the second part are towards the floor tunnel
Inside and opposite to each other.
3. vehicle substructure according to claim 2, it is characterised in that
The stiffener is arranged at following position: at the position, at least part of the stiffener is in vehicle
It is Chong Die with the subaisle in side view.
4. vehicle substructure according to claim 2 or 3, it is characterised in that
Axis longitudinal direction of car direction described in the interior lateral edge of the floor tunnel extends, and the stiffener has from the vehicle
The support portion of the axis is supported on the downside of.
5. vehicle substructure according to claim 2 or 3, it is characterised in that
The stiffener has the upright wall part extended in vehicle side surface view along vehicle vertical direction, and the upright wall part has
Through-hole, and
Axis is inserted through the through-hole on the longitudinal direction of car direction.
6. vehicle substructure according to any one of claims 1 to 3, it is characterised in that
The stiffener includes:
A pair of of upright wall part, the pair of upright wall part are arranged as having between the upright wall part on the longitudinal direction of car direction
Interval, and each upright wall part extends in vehicle side surface view along vehicle vertical direction；And
Bottom wall part is connected between the lower end of the upright wall part, and
Enclosure space is formed by the upright wall part, the bottom wall part and the floor tunnel.
7. vehicle substructure according to any one of claims 1 to 3, it is characterised in that
The side wall includes the first side wall and second sidewall facing with each other on the vehicle-width direction, and
The floor tunnel includes the vehicle upper end for being connected to the first side wall and the vehicle upper end of the second sidewall
Between upper wall.
8. vehicle substructure according to any one of claims 1 to 3, further comprises:
Respectively the holding on the vehicle-width direction of the floor panel is arranged in a pair of of threshold vehicle, the pair of threshold vehicle
Outside, the threshold vehicle extend along the longitudinal direction of car direction；
A pair of of pair threshold vehicle, one be arranged in the threshold vehicle in the pair threshold vehicle in the vehicle width
Inside on direction and it is connected to one in the threshold vehicle, and another setting in the secondary threshold vehicle exists
In the pair of threshold vehicle another in the inside on the vehicle-width direction and be connected in the threshold vehicle
It is described another；And
A pair of of floor cross, the pair of floor cross are arranged along the vehicle-width direction, and the floor is horizontal
One in one into the component one and described subaisle being connected in the secondary threshold vehicle, and the floor
Another in cross member is connected to another in another and the subaisle in the secondary threshold vehicle, and
The floor cross clips the floor tunnel on the vehicle-width direction.
9. vehicle substructure according to any one of claims 1 to 3, it is characterised in that seat guide rail is attached to often
A subaisle.
10. a kind of vehicle substructure, characterized by comprising:
Floor panel, with floor tunnel, the floor tunnel includes side wall and is open to vehicle lower side；
A pair of of subaisle, the pair of subaisle are arranged in the outside of the floor tunnel, the subaisle with the floor
The floor tunnel is clipped on the vertical direction of the extending direction in channel, and the subaisle is connected to the floor tunnel；
And
Stiffener, by the floor panel on the direction vertical with the extending direction of the floor tunnel
Each side connection, each side of the floor panel clip the floor tunnel in the extension with the floor tunnel
Middle part on the vertical direction in direction,
Wherein, the stiffener is arranged in the position that the front end of the pair of subaisle is coupled to each other via the side wall
At place and the position rear end of the pair of subaisle being coupled to each other via the side wall.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015165677A JP6311679B2 (en) | 2015-08-25 | 2015-08-25 | Vehicle lower structure |
| JP2015-165677 | 2015-08-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106476908A CN106476908A (en) | 2017-03-08 |
| CN106476908B true CN106476908B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610703259.1A Active CN106476908B (en) | 2015-08-25 | 2016-08-22 | Vehicle substructure |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10124834B2 (en) |
| JP (1) | JP6311679B2 (en) |
| CN (1) | CN106476908B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6354729B2 (en) * | 2015-10-22 | 2018-07-11 | トヨタ自動車株式会社 | Vehicle floor structure |
| JP2019177705A (en) * | 2016-07-11 | 2019-10-17 | 本田技研工業株式会社 | Vehicle body substructure |
| US10252751B2 (en) * | 2017-03-07 | 2019-04-09 | Ford Global Technologies, Llc | Inflatable tunnel reinforcement |
| JP6791037B2 (en) * | 2017-06-21 | 2020-11-25 | トヨタ自動車株式会社 | Vehicle undercarriage |
| CN109204496B (en) * | 2017-06-30 | 2020-10-23 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204530B (en) * | 2017-06-30 | 2021-03-26 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109204575B (en) * | 2017-06-30 | 2022-05-13 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| JP6772982B2 (en) * | 2017-07-19 | 2020-10-21 | トヨタ自動車株式会社 | Vehicle undercarriage |
| JP6977497B2 (en) * | 2017-11-15 | 2021-12-08 | トヨタ自動車株式会社 | Vehicle side structure |
| JP6881326B2 (en) * | 2018-01-16 | 2021-06-02 | マツダ株式会社 | Lower body structure |
| JP6981279B2 (en) * | 2018-01-30 | 2021-12-15 | トヨタ自動車株式会社 | Vehicle floor structure |
| JP6881404B2 (en) * | 2018-08-13 | 2021-06-02 | マツダ株式会社 | Lower body structure |
| CN112955369A (en) * | 2018-11-06 | 2021-06-11 | 日本制铁株式会社 | Floor tunnel |
| JP7276011B2 (en) * | 2019-08-30 | 2023-05-18 | スズキ株式会社 | Underbody structure |
| KR20220064789A (en) * | 2020-11-12 | 2022-05-19 | 현대자동차주식회사 | Vehicle body having high voltage battery |
| JP7464561B2 (en) * | 2021-04-05 | 2024-04-09 | トヨタ自動車株式会社 | Vehicle body |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843084A (en) * | 2014-02-14 | 2015-08-19 | 丰田自动车株式会社 | Vehicle body lower structure |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135849Y2 (en) * | 1973-05-16 | 1976-09-03 | ||
| JPH01128470U (en) * | 1988-02-26 | 1989-09-01 | ||
| JPH0298079U (en) * | 1989-01-23 | 1990-08-03 | ||
| JP2000280937A (en) * | 1999-03-30 | 2000-10-10 | Mazda Motor Corp | Lower car body structure for automoble |
| JP4122754B2 (en) | 2001-11-12 | 2008-07-23 | マツダ株式会社 | Lower body structure of the vehicle |
| JP2003205870A (en) * | 2002-01-16 | 2003-07-22 | Nissan Motor Co Ltd | Floor structure for automobile |
| JP4853080B2 (en) | 2006-03-30 | 2012-01-11 | マツダ株式会社 | Auto body structure |
| JP2007290579A (en) * | 2006-04-26 | 2007-11-08 | Nissan Motor Co Ltd | Vehicle body structure, and load transmitting method |
| JP4738506B2 (en) * | 2009-03-26 | 2011-08-03 | 本田技研工業株式会社 | Reinforcement structure |
| JP5867115B2 (en) * | 2012-01-30 | 2016-02-24 | マツダ株式会社 | Lower body structure of the vehicle |
| JP2016037072A (en) * | 2014-08-05 | 2016-03-22 | トヨタ自動車株式会社 | Vehicle lower structure |
| JP2016052863A (en) | 2014-09-04 | 2016-04-14 | トヨタ自動車株式会社 | Vehicle lower part structure |
| JP6354729B2 (en) * | 2015-10-22 | 2018-07-11 | トヨタ自動車株式会社 | Vehicle floor structure |
-
2015
- 2015-08-25 JP JP2015165677A patent/JP6311679B2/en active Active
-
2016
- 2016-08-12 US US15/235,875 patent/US10124834B2/en active Active
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843084A (en) * | 2014-02-14 | 2015-08-19 | 丰田自动车株式会社 | Vehicle body lower structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106476908A (en) | 2017-03-08 |
| US20170057549A1 (en) | 2017-03-02 |
| JP6311679B2 (en) | 2018-04-18 |
| US10124834B2 (en) | 2018-11-13 |
| JP2017043155A (en) | 2017-03-02 |
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